Health and Disease

• What is health?

  The state of physical and mental wellbeing
• What is a communicable disease?

  A disease which can be spread from person to person
• What four microorganisms often cause communicable diseases?

  Viruses, bacteria, protists, fungi
• What is a non-communicable disease?

  A disease which cannot be spread between people or people and animals
• What are common features of non-communicable diseases?

  They are long lasting and get worse over time
• What is a pathogen?

  A microorganism which can cause a disease when it infects a host
• Why are people with poor immune systems more prone to disease?

  Because their immune system cannot fight off pathogens effectively
• What kind of pathogen can trigger cancer sometimes?

  Viruses
• What virus can cause cervical cancer in women?

  HPV or human papilloma virus
• What factors affect people's health apart from pathogens?

  • Diet
  • Stress
  • Access to medicine